FABH0049E VSAM MACRO GENCB BLOCK=RPL FAILED

Explanation
 VSAM returned an unexpected code to the CAB buffer
handler during the execution of a GENCB BLOCK=RPL macro.

System action
 HSSR Engine ends abnormally.

User response
 Ensure that enough virtual storage is available
within the region (MVS™).
 As
a temporary bypass, the Basic Buffer handler can be used instead of
CAB.